Nail file



FIG. 1 is a perspective view of a nail file showing our new design;

FIG. 2 is a top plan view thereof, the opposite side being a mirrorimage of the side shown;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front end elevational view thereof; and,

FIG. 6 is a rear end elevational view thereof.

The ornamental design for a nail file, as shown and described.